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<div class="title">vga2controller.cpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">  Created by Fabrizio Di Vittorio (fdivitto2013@gmail.com) - &lt;http://www.fabgl.com&gt;</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">  Copyright (c) 2019-2021 Fabrizio Di Vittorio.</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">  All rights reserved.</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">* Please contact fdivitto2013@gmail.com if you need a commercial license.</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">* This library and related software is available under GPL v3.</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">  FabGL is free software: you can redistribute it and/or modify</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">  it under the terms of the GNU General Public License as published by</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">  the Free Software Foundation, either version 3 of the License, or</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">  (at your option) any later version.</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">  FabGL is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">  but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">  GNU General Public License for more details.</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">  You should have received a copy of the GNU General Public License</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment">  along with FabGL.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;alloca.h&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;stdarg.h&gt;</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &lt;math.h&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#include &quot;freertos/FreeRTOS.h&quot;</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#include &quot;freertos/task.h&quot;</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#include &quot;soc/i2s_struct.h&quot;</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &quot;soc/i2s_reg.h&quot;</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#include &quot;driver/periph_ctrl.h&quot;</span></div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &quot;soc/rtc.h&quot;</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#include &quot;esp_spi_flash.h&quot;</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#include &quot;esp_heap_caps.h&quot;</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="fabutils_8h.html">fabutils.h</a>&quot;</span></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="vga2controller_8h.html">vga2controller.h</a>&quot;</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="swgenerator_8h.html">devdrivers/swgenerator.h</a>&quot;</span></div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor">#pragma GCC optimize (&quot;O2&quot;)</span></div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacefabgl.html">fabgl</a> {</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> __attribute__((always_inline)) <span class="keywordtype">void</span> VGA2_SETPIXELINROW(uint8_t * row, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> value) {</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;  <span class="keywordtype">int</span> brow = x &gt;&gt; 3;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;  row[brow] ^= (-value ^ row[brow]) &amp; (0x80 &gt;&gt; (x &amp; 7));</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;}</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> __attribute__((always_inline)) <span class="keywordtype">int</span> VGA2_GETPIXELINROW(uint8_t * row, <span class="keywordtype">int</span> x) {</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;  <span class="keywordtype">int</span> brow = x &gt;&gt; 3;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;  <span class="keywordflow">return</span> (row[brow] &amp; (0x80 &gt;&gt; (x &amp; 7))) != 0;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;}</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="preprocessor">#define VGA2_INVERTPIXELINROW(row, x)       (row)[(x) &gt;&gt; 3] ^= (0x80 &gt;&gt; ((x) &amp; 7))</span></div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> __attribute__((always_inline)) <span class="keywordtype">void</span> VGA2_SETPIXEL(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> value) {</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;  <span class="keyword">auto</span> row = (uint8_t*) VGA2Controller::sgetScanline(y);</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;  <span class="keywordtype">int</span> brow = x &gt;&gt; 3;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;  row[brow] ^= (-value ^ row[brow]) &amp; (0x80 &gt;&gt; (x &amp; 7));</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;}</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="preprocessor">#define VGA2_GETPIXEL(x, y)                 VGA2_GETPIXELINROW((uint8_t*)VGA2Controller::s_viewPort[(y)], (x))</span></div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="preprocessor">#define VGA2_INVERT_PIXEL(x, y)             VGA2_INVERTPIXELINROW((uint8_t*)VGA2Controller::s_viewPort[(y)], (x))</span></div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment">/*************************************************************************************/</span></div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment">/* VGA2Controller definitions */</span></div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;VGA2Controller * VGA2Controller::s_instance = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;VGA2Controller::VGA2Controller()</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;  : VGAPalettedController(VGA2_LinesCount, <a class="code" href="group___enumerations_ga03403b592cc00776d70bc5ad6c177276.html#ga03403b592cc00776d70bc5ad6c177276">NativePixelFormat</a>::<a class="code" href="group___enumerations_ga03403b592cc00776d70bc5ad6c177276.html#gga03403b592cc00776d70bc5ad6c177276ab4b9dd494783e3c156b72596ce15ff17">PALETTE2</a>, 8, 1, ISRHandler)</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;{</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;  s_instance = <span class="keyword">this</span>;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;  m_packedPaletteIndexOctet_to_signals = (uint64_t *) heap_caps_malloc(256 * <span class="keyword">sizeof</span>(uint64_t), MALLOC_CAP_8BIT | MALLOC_CAP_INTERNAL);</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;}</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;VGA2Controller::~VGA2Controller()</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;{</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;  heap_caps_free((<span class="keywordtype">void</span> *)m_packedPaletteIndexOctet_to_signals);</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;}</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="keywordtype">void</span> VGA2Controller::setupDefaultPalette()</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;{</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;  <a class="code" href="classfabgl_1_1_v_g_a2_controller_a35a04bb9738fc5fc7f6e3fb4cbe90f37.html#a35a04bb9738fc5fc7f6e3fb4cbe90f37">setPaletteItem</a>(0, RGB888(0, 0, 0));       <span class="comment">// 0: black</span></div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;  <a class="code" href="classfabgl_1_1_v_g_a2_controller_a35a04bb9738fc5fc7f6e3fb4cbe90f37.html#a35a04bb9738fc5fc7f6e3fb4cbe90f37">setPaletteItem</a>(1, RGB888(255, 255, 255)); <span class="comment">// 1: white</span></div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;}</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div><div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classfabgl_1_1_v_g_a2_controller_a35a04bb9738fc5fc7f6e3fb4cbe90f37.html#a35a04bb9738fc5fc7f6e3fb4cbe90f37">  112</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classfabgl_1_1_v_g_a2_controller_a35a04bb9738fc5fc7f6e3fb4cbe90f37.html#a35a04bb9738fc5fc7f6e3fb4cbe90f37">VGA2Controller::setPaletteItem</a>(<span class="keywordtype">int</span> index, <a class="code" href="structfabgl_1_1_r_g_b888.html">RGB888</a> <span class="keyword">const</span> &amp; color)</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;{</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;  index %= 2;</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;  m_palette[index] = color;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;  <span class="keyword">auto</span> packed222 = RGB888toPackedRGB222(color);</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; 256; ++i) {</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    <span class="keyword">auto</span> b = (uint8_t *) (m_packedPaletteIndexOctet_to_signals + i);</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j &lt; 8; ++j) {</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;      <span class="keyword">auto</span> aj = 7 - j;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;      <span class="keywordflow">if</span> ((index == 0 &amp;&amp; ((1 &lt;&lt; aj) &amp; i) == 0) || (index == 1 &amp;&amp; ((1 &lt;&lt; aj) &amp; i) != 0)) {</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        b[j ^ 2] = m_HVSync | packed222;</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;      }</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    }</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;  }</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;}</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="keywordtype">void</span> VGA2Controller::setPixelAt(PixelDesc <span class="keyword">const</span> &amp; pixelDesc, <a class="code" href="structfabgl_1_1_rect.html">Rect</a> &amp; updateRect)</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;{</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;  genericSetPixelAt(pixelDesc, updateRect,</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;                    [&amp;] (<a class="code" href="structfabgl_1_1_r_g_b888.html">RGB888</a> <span class="keyword">const</span> &amp; color) { <span class="keywordflow">return</span> RGB888toPaletteIndex(color); },</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;                    VGA2_SETPIXEL</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                   );</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;}</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="comment">// coordinates are absolute values (not relative to origin)</span></div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="comment">// line clipped on current absolute clipping rectangle</span></div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="keywordtype">void</span> VGA2Controller::absDrawLine(<span class="keywordtype">int</span> <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a>, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a>, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_a3e43b2629ffdaba77fe72f8f70818f07.html#a3e43b2629ffdaba77fe72f8f70818f07">Y2</a>, RGB888 color)</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;{</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;  genericAbsDrawLine(<a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <a class="code" href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a>, <a class="code" href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a>, <a class="code" href="fabutils_8h_a3e43b2629ffdaba77fe72f8f70818f07.html#a3e43b2629ffdaba77fe72f8f70818f07">Y2</a>, color,</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;                     [&amp;] (RGB888 <span class="keyword">const</span> &amp; color)                      { <span class="keywordflow">return</span> RGB888toPaletteIndex(color); },</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;                     [&amp;] (<span class="keywordtype">int</span> <a class="code" href="displaycontroller_8h_abe4637362df8e341470401813999dd17.html#abe4637362df8e341470401813999dd17">Y</a>, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a>, uint8_t colorIndex) { rawFillRow(<a class="code" href="displaycontroller_8h_abe4637362df8e341470401813999dd17.html#abe4637362df8e341470401813999dd17">Y</a>, <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <a class="code" href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a>, colorIndex); },</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;                     [&amp;] (<span class="keywordtype">int</span> <a class="code" href="displaycontroller_8h_abe4637362df8e341470401813999dd17.html#abe4637362df8e341470401813999dd17">Y</a>, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a>)                     { rawInvertRow(<a class="code" href="displaycontroller_8h_abe4637362df8e341470401813999dd17.html#abe4637362df8e341470401813999dd17">Y</a>, <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <a class="code" href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a>); },</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;                     VGA2_SETPIXEL,</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;                     [&amp;] (<span class="keywordtype">int</span> <a class="code" href="displaycontroller_8h_aa6aba27bc1a89db9e350b50bbf881f57.html#aa6aba27bc1a89db9e350b50bbf881f57">X</a>, <span class="keywordtype">int</span> <a class="code" href="displaycontroller_8h_abe4637362df8e341470401813999dd17.html#abe4637362df8e341470401813999dd17">Y</a>)                              { VGA2_INVERT_PIXEL(<a class="code" href="displaycontroller_8h_aa6aba27bc1a89db9e350b50bbf881f57.html#aa6aba27bc1a89db9e350b50bbf881f57">X</a>, <a class="code" href="displaycontroller_8h_abe4637362df8e341470401813999dd17.html#abe4637362df8e341470401813999dd17">Y</a>); }</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;                     );</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;}</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="comment">// parameters not checked</span></div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="keywordtype">void</span> VGA2Controller::rawFillRow(<span class="keywordtype">int</span> y, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> x2, RGB888 color)</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;{</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;  rawFillRow(y, x1, x2, RGB888toPaletteIndex(color));</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;}</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="comment">// parameters not checked</span></div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="keywordtype">void</span> VGA2Controller::rawFillRow(<span class="keywordtype">int</span> y, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> x2, uint8_t colorIndex)</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;{</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;  uint8_t * row = (uint8_t*) m_viewPort[y];</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;  <span class="comment">// fill first pixels before full 8 bits word</span></div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;  <span class="keywordtype">int</span> x = x1;</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;  <span class="keywordflow">for</span> (; x &lt;= x2 &amp;&amp; (x &amp; 7) != 0; ++x) {</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    VGA2_SETPIXELINROW(row, x, colorIndex);</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;  }</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;  <span class="comment">// fill whole 8 bits words (8 pixels)</span></div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;  <span class="keywordflow">if</span> (x &lt;= x2) {</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    <span class="keywordtype">int</span> sz = (x2 &amp; ~7) - x;</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    memset((<span class="keywordtype">void</span>*)(row + x / 8), colorIndex ? 0xFF : 0x00, sz / 8);</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    x += sz;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;  }</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;  <span class="comment">// fill last unaligned pixels</span></div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;  <span class="keywordflow">for</span> (; x &lt;= x2; ++x) {</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    VGA2_SETPIXELINROW(row, x, colorIndex);</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;  }</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;}</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="comment">// parameters not checked</span></div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;<span class="keywordtype">void</span> VGA2Controller::rawInvertRow(<span class="keywordtype">int</span> y, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> x2)</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;{</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;  <span class="keyword">auto</span> row = m_viewPort[y];</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = x1; x &lt;= x2; ++x)</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    VGA2_INVERTPIXELINROW(row, x);</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;}</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="keywordtype">void</span> VGA2Controller::rawCopyRow(<span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> x2, <span class="keywordtype">int</span> srcY, <span class="keywordtype">int</span> dstY)</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;{</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;  <span class="keyword">auto</span> srcRow = (uint8_t*) m_viewPort[srcY];</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;  <span class="keyword">auto</span> dstRow = (uint8_t*) m_viewPort[dstY];</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;  <span class="comment">// copy first pixels before full 8 bits word</span></div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;  <span class="keywordtype">int</span> x = x1;</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;  <span class="keywordflow">for</span> (; x &lt;= x2 &amp;&amp; (x &amp; 7) != 0; ++x) {</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    VGA2_SETPIXELINROW(dstRow, x, VGA2_GETPIXELINROW(srcRow, x));</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;  }</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;  <span class="comment">// copy whole 8 bits words (8 pixels)</span></div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;  <span class="keyword">auto</span> src = (uint8_t*)(srcRow + x / 8);</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;  <span class="keyword">auto</span> dst = (uint8_t*)(dstRow + x / 8);</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> right = (x2 &amp; ~7); x &lt; right; x += 8)</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    *dst++ = *src++;</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;  <span class="comment">// copy last unaligned pixels</span></div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;  <span class="keywordflow">for</span> (x = (x2 &amp; ~7); x &lt;= x2; ++x) {</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    VGA2_SETPIXELINROW(dstRow, x, VGA2_GETPIXELINROW(srcRow, x));</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;  }</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;}</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="keywordtype">void</span> VGA2Controller::swapRows(<span class="keywordtype">int</span> yA, <span class="keywordtype">int</span> yB, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> x2)</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;{</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;  <span class="keyword">auto</span> rowA = (uint8_t*) m_viewPort[yA];</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;  <span class="keyword">auto</span> rowB = (uint8_t*) m_viewPort[yB];</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;  <span class="comment">// swap first pixels before full 8 bits word</span></div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;  <span class="keywordtype">int</span> x = x1;</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;  <span class="keywordflow">for</span> (; x &lt;= x2 &amp;&amp; (x &amp; 7) != 0; ++x) {</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;    uint8_t a = VGA2_GETPIXELINROW(rowA, x);</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    uint8_t b = VGA2_GETPIXELINROW(rowB, x);</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    VGA2_SETPIXELINROW(rowA, x, b);</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    VGA2_SETPIXELINROW(rowB, x, a);</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;  }</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;  <span class="comment">// swap whole 8 bits words (8 pixels)</span></div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;  <span class="keyword">auto</span> a = (uint8_t*)(rowA + x / 8);</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;  <span class="keyword">auto</span> b = (uint8_t*)(rowB + x / 8);</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> right = (x2 &amp; ~7); x &lt; right; x += 8)</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    tswap(*a++, *b++);</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;  <span class="comment">// swap last unaligned pixels</span></div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;  <span class="keywordflow">for</span> (x = (x2 &amp; ~7); x &lt;= x2; ++x) {</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;    uint8_t a = VGA2_GETPIXELINROW(rowA, x);</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;    uint8_t b = VGA2_GETPIXELINROW(rowB, x);</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    VGA2_SETPIXELINROW(rowA, x, b);</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;    VGA2_SETPIXELINROW(rowB, x, a);</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;  }</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;}</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;<span class="keywordtype">void</span> VGA2Controller::drawEllipse(Size <span class="keyword">const</span> &amp; size, Rect &amp; updateRect)</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;{</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;  genericDrawEllipse(size, updateRect,</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;                     [&amp;] (RGB888 <span class="keyword">const</span> &amp; color)  { <span class="keywordflow">return</span> RGB888toPaletteIndex(color); },</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;                     VGA2_SETPIXEL</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;                    );</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;}</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="keywordtype">void</span> VGA2Controller::clear(Rect &amp; updateRect)</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;{</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;  hideSprites(updateRect);</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;  uint8_t paletteIndex = RGB888toPaletteIndex(getActualBrushColor());</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;  uint8_t pattern8 = paletteIndex ? 0xFF : 0x00;</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> y = 0; y &lt; m_viewPortHeight; ++y)</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    memset((uint8_t*) m_viewPort[y], pattern8, m_viewPortWidth / 8);</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;}</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="comment">// scroll &lt; 0 -&gt; scroll UP</span></div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;<span class="comment">// scroll &gt; 0 -&gt; scroll DOWN</span></div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;<span class="keywordtype">void</span> VGA2Controller::VScroll(<span class="keywordtype">int</span> scroll, Rect &amp; updateRect)</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;{</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;  genericVScroll(scroll, updateRect,</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;                 [&amp;] (<span class="keywordtype">int</span> yA, <span class="keywordtype">int</span> yB, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> x2)        { swapRows(yA, yB, x1, x2); },              <span class="comment">// swapRowsCopying</span></div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;                 [&amp;] (<span class="keywordtype">int</span> yA, <span class="keywordtype">int</span> yB)                        { tswap(m_viewPort[yA], m_viewPort[yB]); }, <span class="comment">// swapRowsPointers</span></div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;                 [&amp;] (<span class="keywordtype">int</span> y, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> x2, RGB888 color)   { rawFillRow(y, x1, x2, color); }           <span class="comment">// rawFillRow</span></div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;                );</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;}</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;<span class="keywordtype">void</span> VGA2Controller::HScroll(<span class="keywordtype">int</span> scroll, Rect &amp; updateRect)</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;{</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;  hideSprites(updateRect);</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;  uint8_t back  = RGB888toPaletteIndex(getActualBrushColor());</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;  uint8_t back8 = back ? 0xFF : 0x00;</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;  <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a> = paintState().scrollingRegion.Y1;</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;  <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_a3e43b2629ffdaba77fe72f8f70818f07.html#a3e43b2629ffdaba77fe72f8f70818f07">Y2</a> = paintState().scrollingRegion.Y2;</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;  <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a> = paintState().scrollingRegion.X1;</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;  <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a> = paintState().scrollingRegion.X2;</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;  <span class="keywordtype">int</span> <a class="code" href="displaycontroller_8h_a09a2a45f731b02946ff6d3cd15c1a476.html#a09a2a45f731b02946ff6d3cd15c1a476">width</a> = <a class="code" href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a> - <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a> + 1;</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;  <span class="keywordtype">bool</span> HScrolllingRegionAligned = ((<a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a> &amp; 7) == 0 &amp;&amp; (<a class="code" href="displaycontroller_8h_a09a2a45f731b02946ff6d3cd15c1a476.html#a09a2a45f731b02946ff6d3cd15c1a476">width</a> &amp; 7) == 0);  <span class="comment">// 8 pixels aligned</span></div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;  <span class="keywordflow">if</span> (scroll &lt; 0) {</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;    <span class="comment">// scroll left</span></div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> y = <a class="code" href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a>; y &lt;= <a class="code" href="fabutils_8h_a3e43b2629ffdaba77fe72f8f70818f07.html#a3e43b2629ffdaba77fe72f8f70818f07">Y2</a>; ++y) {</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;      <span class="keywordflow">if</span> (HScrolllingRegionAligned) {</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;        <span class="comment">// aligned horizontal scrolling region, fast version</span></div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;        uint8_t * row = (uint8_t*) (m_viewPort[y]) + <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a> / 8;</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> s = -scroll; s &gt; 0;) {</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;          <span class="keywordflow">if</span> (s &lt; 8) {</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;            <span class="comment">// scroll left by 1..7</span></div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;            <span class="keywordtype">int</span> sz = <a class="code" href="displaycontroller_8h_a09a2a45f731b02946ff6d3cd15c1a476.html#a09a2a45f731b02946ff6d3cd15c1a476">width</a> / 8;</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;            uint8_t prev = back8;</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;            <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = sz - 1; i &gt;= 0; --i) {</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;              uint8_t lowbits = prev &gt;&gt; (8 - s);</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;              prev = row[i];</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160; 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           memmove(row, row + sc / 8, (sz - sc) / 8);</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;            rawFillRow(y, <a class="code" href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a> - sc + 1, <a class="code" href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a>, back);</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;            s -= sc;</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;          }</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;        }</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;      } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;        <span class="comment">// unaligned horizontal scrolling region, fallback to slow version</span></div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160; 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     }</div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;    }</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (scroll &gt; 0) {</div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;    <span class="comment">// scroll right</span></div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> y = <a class="code" href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a>; y &lt;= <a class="code" href="fabutils_8h_a3e43b2629ffdaba77fe72f8f70818f07.html#a3e43b2629ffdaba77fe72f8f70818f07">Y2</a>; ++y) {</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;      <span class="keywordflow">if</span> (HScrolllingRegionAligned) {</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160; 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           uint8_t prev = back8;</div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;            <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; sz; ++i) {</div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;              uint8_t highbits = prev &lt;&lt; (8 - s);</div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;              prev = row[i];</div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;              row[i] = (row[i] &gt;&gt; s) | highbits;</div><div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;            }</div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;            s = 0;</div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;          } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160; 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           s -= sc;</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;          }</div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;        }</div><div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;      } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;        <span class="comment">// unaligned horizontal scrolling region, fallback to slow version</span></div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;        <span class="keyword">auto</span> row = (uint8_t*) m_viewPort[y];</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = <a class="code" href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a> - scroll; x &gt;= <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>; --x)</div><div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;          VGA2_SETPIXELINROW(row, x + scroll, VGA2_GETPIXELINROW(row, x));</div><div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;        <span class="comment">// fill left area with brush color</span></div><div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;        rawFillRow(y, <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a> + scroll - 1, back);</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;      }</div><div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;    }</div><div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;</div><div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;  }</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;}</div><div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;</div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;<span class="keywordtype">void</span> VGA2Controller::drawGlyph(Glyph <span class="keyword">const</span> &amp; glyph, GlyphOptions glyphOptions, RGB888 penColor, RGB888 brushColor, Rect &amp; updateRect)</div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;{</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;  genericDrawGlyph(glyph, glyphOptions, penColor, brushColor, updateRect,</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;                   [&amp;] (RGB888 <span class="keyword">const</span> &amp; color)                     { <span class="keywordflow">return</span> RGB888toPaletteIndex(color); },</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;                   [&amp;] (<span class="keywordtype">int</span> y)                                    { <span class="keywordflow">return</span> (uint8_t*) m_viewPort[y]; },</div><div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;                   VGA2_SETPIXELINROW</div><div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;                  );</div><div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;}</div><div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;</div><div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;</div><div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;<span class="keywordtype">void</span> VGA2Controller::invertRect(Rect <span class="keyword">const</span> &amp; rect, Rect &amp; updateRect)</div><div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;{</div><div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;  genericInvertRect(rect, updateRect,</div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;                    [&amp;] (<span class="keywordtype">int</span> <a class="code" href="displaycontroller_8h_abe4637362df8e341470401813999dd17.html#abe4637362df8e341470401813999dd17">Y</a>, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a>) { rawInvertRow(<a class="code" href="displaycontroller_8h_abe4637362df8e341470401813999dd17.html#abe4637362df8e341470401813999dd17">Y</a>, <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <a class="code" href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a>); }</div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;                   );</div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;}</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;</div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;<span class="keywordtype">void</span> VGA2Controller::swapFGBG(Rect <span class="keyword">const</span> &amp; rect, Rect &amp; updateRect)</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;{</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;  genericSwapFGBG(rect, updateRect,</div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;                  [&amp;] (RGB888 <span class="keyword">const</span> &amp; color)                     { <span class="keywordflow">return</span> RGB888toPaletteIndex(color); },</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;                  [&amp;] (<span class="keywordtype">int</span> y)                                    { <span class="keywordflow">return</span> (uint8_t*) m_viewPort[y]; },</div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;                  VGA2_GETPIXELINROW,</div><div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;                  VGA2_SETPIXELINROW</div><div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;                 );</div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;}</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;</div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;<span class="comment">// Slow operation!</span></div><div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;<span class="comment">// supports overlapping of source and dest rectangles</span></div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;<span class="keywordtype">void</span> VGA2Controller::copyRect(Rect <span class="keyword">const</span> &amp; source, Rect &amp; updateRect)</div><div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;{</div><div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;  genericCopyRect(source, updateRect,</div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;                  [&amp;] (<span class="keywordtype">int</span> y)                                    { <span class="keywordflow">return</span> (uint8_t*) m_viewPort[y]; },</div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;                  VGA2_GETPIXELINROW,</div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;                  VGA2_SETPIXELINROW</div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;                 );</div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;}</div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;</div><div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;</div><div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;<span class="comment">// no bounds check is done!</span></div><div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;<span class="keywordtype">void</span> VGA2Controller::readScreen(Rect <span class="keyword">const</span> &amp; rect, RGB888 * destBuf)</div><div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;{</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> y = rect.Y1; y &lt;= rect.Y2; ++y) {</div><div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;    <span class="keyword">auto</span> row = (uint8_t*) m_viewPort[y];</div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = rect.X1; x &lt;= rect.X2; ++x, ++destBuf) {</div><div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;      <span class="keyword">const</span> RGB222 v = m_palette[VGA2_GETPIXELINROW(row, x)];</div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;      *destBuf = RGB888(v.R * 85, v.G * 85, v.B * 85);  <span class="comment">// 85 x 3 = 255</span></div><div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;    }</div><div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;  }</div><div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;}</div><div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;</div><div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;</div><div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;<span class="keywordtype">void</span> VGA2Controller::rawDrawBitmap_Native(<span class="keywordtype">int</span> destX, <span class="keywordtype">int</span> destY, Bitmap <span class="keyword">const</span> * bitmap, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a>, <span class="keywordtype">int</span> XCount, <span class="keywordtype">int</span> YCount)</div><div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;{</div><div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;  genericRawDrawBitmap_Native(destX, destY, (uint8_t*) bitmap-&gt;data, bitmap-&gt;width, <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <a class="code" href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a>, XCount, YCount,</div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;                              [&amp;] (<span class="keywordtype">int</span> y)                             { return (uint8_t*) m_viewPort[y]; },  <span class="comment">// rawGetRow</span></div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;                              VGA2_SETPIXELINROW</div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;                             );</div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;}</div><div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;</div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;</div><div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;<span class="keywordtype">void</span> VGA2Controller::rawDrawBitmap_Mask(<span class="keywordtype">int</span> destX, <span class="keywordtype">int</span> destY, Bitmap <span class="keyword">const</span> * bitmap, <span class="keywordtype">void</span> * saveBackground, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a>, <span class="keywordtype">int</span> XCount, <span class="keywordtype">int</span> YCount)</div><div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;{</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;  <span class="keyword">auto</span> foregroundColorIndex = RGB888toPaletteIndex(bitmap-&gt;foregroundColor);</div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;  genericRawDrawBitmap_Mask(destX, destY, bitmap, (uint8_t*)saveBackground, <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <a class="code" href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a>, XCount, YCount,</div><div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;                            [&amp;] (<span class="keywordtype">int</span> y)                  { <span class="keywordflow">return</span> (uint8_t*) m_viewPort[y]; },                   <span class="comment">// rawGetRow</span></div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;                            VGA2_GETPIXELINROW,</div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;                            [&amp;] (uint8_t * row, <span class="keywordtype">int</span> x)   { VGA2_SETPIXELINROW(row, x, foregroundColorIndex); }  <span class="comment">// rawSetPixelInRow</span></div><div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;                           );</div><div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;}</div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;</div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;</div><div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;<span class="keywordtype">void</span> VGA2Controller::rawDrawBitmap_RGBA2222(<span class="keywordtype">int</span> destX, <span class="keywordtype">int</span> destY, Bitmap <span class="keyword">const</span> * bitmap, <span class="keywordtype">void</span> * saveBackground, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a>, <span class="keywordtype">int</span> XCount, <span class="keywordtype">int</span> YCount)</div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;{</div><div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;  genericRawDrawBitmap_RGBA2222(destX, destY, bitmap, (uint8_t*)saveBackground, <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <a class="code" href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a>, XCount, YCount,</div><div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;                                [&amp;] (<span class="keywordtype">int</span> y)                             { <span class="keywordflow">return</span> (uint8_t*) m_viewPort[y]; },       <span class="comment">// rawGetRow</span></div><div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;                                VGA2_GETPIXELINROW,</div><div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;                                [&amp;] (uint8_t * row, <span class="keywordtype">int</span> x, uint8_t src) { VGA2_SETPIXELINROW(row, x, RGB2222toPaletteIndex(src)); }       <span class="comment">// rawSetPixelInRow</span></div><div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;                               );</div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;}</div><div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;</div><div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;</div><div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;<span class="keywordtype">void</span> VGA2Controller::rawDrawBitmap_RGBA8888(<span class="keywordtype">int</span> destX, <span class="keywordtype">int</span> destY, Bitmap <span class="keyword">const</span> * bitmap, <span class="keywordtype">void</span> * saveBackground, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <span class="keywordtype">int</span> <a class="code" href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a>, <span class="keywordtype">int</span> XCount, <span class="keywordtype">int</span> YCount)</div><div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;{</div><div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;  genericRawDrawBitmap_RGBA8888(destX, destY, bitmap, (uint8_t*)saveBackground, <a class="code" href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a>, <a class="code" href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a>, XCount, YCount,</div><div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;                                 [&amp;] (<span class="keywordtype">int</span> y)                                      { <span class="keywordflow">return</span> (uint8_t*) m_viewPort[y]; },     <span class="comment">// rawGetRow</span></div><div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;                                 [&amp;] (uint8_t * row, <span class="keywordtype">int</span> x)                       { <span class="keywordflow">return</span> VGA2_GETPIXELINROW(row, x); },  <span class="comment">// rawGetPixelInRow</span></div><div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;                                 [&amp;] (uint8_t * row, <span class="keywordtype">int</span> x, <a class="code" href="group___enumerations_gafe919d7a7aeba256337f0fc494cf7221.html#ggafe919d7a7aeba256337f0fc494cf7221a165f06116e7b8d9b2481dfc805db4619">RGBA8888</a> <span class="keyword">const</span> &amp; src) { VGA2_SETPIXELINROW(row, x, RGB8888toPaletteIndex(src)); }   <span class="comment">// rawSetPixelInRow</span></div><div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;                                );</div><div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;}</div><div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;</div><div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;</div><div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;<span class="keywordtype">void</span> IRAM_ATTR VGA2Controller::ISRHandler(<span class="keywordtype">void</span> * arg)</div><div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;{</div><div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;<span class="preprocessor">  #if FABGLIB_VGAXCONTROLLER_PERFORMANCE_CHECK</span></div><div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;  <span class="keyword">auto</span> s1 = getCycleCount();</div><div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;<span class="preprocessor">  #endif</span></div><div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;</div><div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;  <span class="keyword">auto</span> ctrl = (VGA2Controller *) arg;</div><div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;</div><div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;  <span class="keywordflow">if</span> (I2S1.int_st.out_eof) {</div><div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;</div><div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;    <span class="keyword">auto</span> <span class="keyword">const</span> desc = (lldesc_t*) I2S1.out_eof_des_addr;</div><div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;</div><div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;    if (desc == s_frameResetDesc)</div><div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;      s_scanLine = 0;</div><div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;</div><div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;    <span class="keyword">auto</span> <span class="keyword">const</span> <a class="code" href="displaycontroller_8h_a09a2a45f731b02946ff6d3cd15c1a476.html#a09a2a45f731b02946ff6d3cd15c1a476">width</a>  = ctrl-&gt;m_viewPortWidth;</div><div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;    <span class="keyword">auto</span> <span class="keyword">const</span> <a class="code" href="displaycontroller_8h_adcf201a8aabf55cb352ec05331242594.html#adcf201a8aabf55cb352ec05331242594">height</a> = ctrl-&gt;m_viewPortHeight;</div><div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;    <span class="keyword">auto</span> <span class="keyword">const</span> packedPaletteIndexOctet_to_signals = (uint64_t <span class="keyword">const</span> *) ctrl-&gt;m_packedPaletteIndexOctet_to_signals;</div><div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;    <span class="keyword">auto</span> <span class="keyword">const</span> lines  = ctrl-&gt;m_lines;</div><div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;</div><div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;    <span class="keywordtype">int</span> scanLine = (s_scanLine + VGA2_LinesCount / 2) % <a class="code" href="displaycontroller_8h_adcf201a8aabf55cb352ec05331242594.html#adcf201a8aabf55cb352ec05331242594">height</a>;</div><div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;</div><div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;    <span class="keyword">auto</span> lineIndex = scanLine &amp; (VGA2_LinesCount - 1);</div><div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;</div><div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; VGA2_LinesCount / 2; ++i) {</div><div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;</div><div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;      <span class="keyword">auto</span> src  = (uint8_t <span class="keyword">const</span> *) s_viewPortVisible[scanLine];</div><div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;      <span class="keyword">auto</span> dest = (uint64_t*) lines[lineIndex];</div><div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;</div><div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;      <span class="comment">// optimizazion warn: horizontal resolution must be a multiple of 16!</span></div><div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">int</span> col = 0; col &lt; <a class="code" href="displaycontroller_8h_a09a2a45f731b02946ff6d3cd15c1a476.html#a09a2a45f731b02946ff6d3cd15c1a476">width</a>; col += 16) {</div><div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;</div><div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;        <span class="keyword">auto</span> src1 = *(src + 0);</div><div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;        <span class="keyword">auto</span> src2 = *(src + 1);</div><div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;</div><div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;        PSRAM_HACK;</div><div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;</div><div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;        <span class="keyword">auto</span> v1 = packedPaletteIndexOctet_to_signals[src1];</div><div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;        <span class="keyword">auto</span> v2 = packedPaletteIndexOctet_to_signals[src2];</div><div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;</div><div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;        *(dest + 0) = v1;</div><div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;        *(dest + 1) = v2;</div><div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;</div><div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;        dest += 2;</div><div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;        src += 2;</div><div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;        </div><div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;      }</div><div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;</div><div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;      ++lineIndex;</div><div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;      ++scanLine;</div><div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;    }</div><div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;</div><div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;    s_scanLine += VGA2_LinesCount / 2;</div><div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;</div><div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;    <span class="keywordflow">if</span> (scanLine &gt;= <a class="code" href="displaycontroller_8h_adcf201a8aabf55cb352ec05331242594.html#adcf201a8aabf55cb352ec05331242594">height</a> &amp;&amp; !ctrl-&gt;m_primitiveProcessingSuspended &amp;&amp; spi_flash_cache_enabled() &amp;&amp; ctrl-&gt;m_primitiveExecTask) {</div><div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;      <span class="comment">// vertical sync, unlock primitive execution task</span></div><div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;      <span class="comment">// warn: don&#39;t use vTaskSuspendAll() in primitive drawing, otherwise vTaskNotifyGiveFromISR may be blocked and screen will flick!</span></div><div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;      vTaskNotifyGiveFromISR(ctrl-&gt;m_primitiveExecTask, NULL);</div><div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;    }</div><div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;</div><div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;  }</div><div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;</div><div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;<span class="preprocessor">  #if FABGLIB_VGAXCONTROLLER_PERFORMANCE_CHECK</span></div><div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;  s_vgapalctrlcycles += getCycleCount() - s1;</div><div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;<span class="preprocessor">  #endif</span></div><div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;</div><div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;  I2S1.int_clr.val = I2S1.int_st.val;</div><div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;}</div><div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;</div><div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;</div><div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;</div><div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;</div><div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;} <span class="comment">// end of namespace</span></div><div class="ttc" id="fabutils_8h_aacc253365e856de8781b525223af3c52_html_aacc253365e856de8781b525223af3c52"><div class="ttname"><a href="fabutils_8h_aacc253365e856de8781b525223af3c52.html#aacc253365e856de8781b525223af3c52">X2</a></div><div class="ttdeci">int16_t X2</div><div class="ttdef"><b>Definition:</b> <a href="fabutils_8h_source.html#l00179">fabutils.h:179</a></div></div>
<div class="ttc" id="structfabgl_1_1_r_g_b888_html"><div class="ttname"><a href="structfabgl_1_1_r_g_b888.html">fabgl::RGB888</a></div><div class="ttdoc">Represents a 24 bit RGB color. </div><div class="ttdef"><b>Definition:</b> <a href="displaycontroller_8h_source.html#l00228">displaycontroller.h:228</a></div></div>
<div class="ttc" id="fabutils_8h_a3e43b2629ffdaba77fe72f8f70818f07_html_a3e43b2629ffdaba77fe72f8f70818f07"><div class="ttname"><a href="fabutils_8h_a3e43b2629ffdaba77fe72f8f70818f07.html#a3e43b2629ffdaba77fe72f8f70818f07">Y2</a></div><div class="ttdeci">int16_t Y2</div><div class="ttdef"><b>Definition:</b> <a href="fabutils_8h_source.html#l00180">fabutils.h:180</a></div></div>
<div class="ttc" id="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266_html_aefe36b84395404eaeb2fb7bc8dfa9266"><div class="ttname"><a href="fabutils_8h_aefe36b84395404eaeb2fb7bc8dfa9266.html#aefe36b84395404eaeb2fb7bc8dfa9266">Y1</a></div><div class="ttdeci">int16_t Y1</div><div class="ttdef"><b>Definition:</b> <a href="fabutils_8h_source.html#l00178">fabutils.h:178</a></div></div>
<div class="ttc" id="group___enumerations_gafe919d7a7aeba256337f0fc494cf7221_html_ggafe919d7a7aeba256337f0fc494cf7221a165f06116e7b8d9b2481dfc805db4619"><div class="ttname"><a href="group___enumerations_gafe919d7a7aeba256337f0fc494cf7221.html#ggafe919d7a7aeba256337f0fc494cf7221a165f06116e7b8d9b2481dfc805db4619">fabgl::PixelFormat::RGBA8888</a></div></div>
<div class="ttc" id="displaycontroller_8h_abe4637362df8e341470401813999dd17_html_abe4637362df8e341470401813999dd17"><div class="ttname"><a href="displaycontroller_8h_abe4637362df8e341470401813999dd17.html#abe4637362df8e341470401813999dd17">Y</a></div><div class="ttdeci">int16_t Y</div><div class="ttdef"><b>Definition:</b> <a href="displaycontroller_8h_source.html#l00321">displaycontroller.h:321</a></div></div>
<div class="ttc" id="swgenerator_8h_html"><div class="ttname"><a href="swgenerator_8h.html">swgenerator.h</a></div><div class="ttdoc">This file contains fabgl::GPIOStream definition. </div></div>
<div class="ttc" id="classfabgl_1_1_v_g_a2_controller_a35a04bb9738fc5fc7f6e3fb4cbe90f37_html_a35a04bb9738fc5fc7f6e3fb4cbe90f37"><div class="ttname"><a href="classfabgl_1_1_v_g_a2_controller_a35a04bb9738fc5fc7f6e3fb4cbe90f37.html#a35a04bb9738fc5fc7f6e3fb4cbe90f37">fabgl::VGA2Controller::setPaletteItem</a></div><div class="ttdeci">void setPaletteItem(int index, RGB888 const &amp;color)</div><div class="ttdoc">Determines color of specified palette item. </div><div class="ttdef"><b>Definition:</b> <a href="vga2controller_8cpp_source.html#l00112">vga2controller.cpp:112</a></div></div>
<div class="ttc" id="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed_html_a0dd601bb81c34d0e0e1c71e445d8c9ed"><div class="ttname"><a href="fabutils_8h_a0dd601bb81c34d0e0e1c71e445d8c9ed.html#a0dd601bb81c34d0e0e1c71e445d8c9ed">X1</a></div><div class="ttdeci">int16_t X1</div><div class="ttdef"><b>Definition:</b> <a href="fabutils_8h_source.html#l00177">fabutils.h:177</a></div></div>
<div class="ttc" id="vga2controller_8h_html"><div class="ttname"><a href="vga2controller_8h.html">vga2controller.h</a></div><div class="ttdoc">This file contains fabgl::VGA2Controller definition. </div></div>
<div class="ttc" id="group___enumerations_ga03403b592cc00776d70bc5ad6c177276_html_gga03403b592cc00776d70bc5ad6c177276ab4b9dd494783e3c156b72596ce15ff17"><div class="ttname"><a href="group___enumerations_ga03403b592cc00776d70bc5ad6c177276.html#gga03403b592cc00776d70bc5ad6c177276ab4b9dd494783e3c156b72596ce15ff17">fabgl::NativePixelFormat::PALETTE2</a></div></div>
<div class="ttc" id="fabutils_8h_html"><div class="ttname"><a href="fabutils_8h.html">fabutils.h</a></div><div class="ttdoc">This file contains some utility classes and functions. </div></div>
<div class="ttc" id="namespacefabgl_html"><div class="ttname"><a href="namespacefabgl.html">fabgl</a></div><div class="ttdef"><b>Definition:</b> <a href="canvas_8cpp_source.html#l00036">canvas.cpp:36</a></div></div>
<div class="ttc" id="group___enumerations_ga03403b592cc00776d70bc5ad6c177276_html_ga03403b592cc00776d70bc5ad6c177276"><div class="ttname"><a href="group___enumerations_ga03403b592cc00776d70bc5ad6c177276.html#ga03403b592cc00776d70bc5ad6c177276">fabgl::NativePixelFormat</a></div><div class="ttdeci">NativePixelFormat</div><div class="ttdoc">This enum defines the display controller native pixel format. </div><div class="ttdef"><b>Definition:</b> <a href="displaycontroller_8h_source.html#l00430">displaycontroller.h:430</a></div></div>
<div class="ttc" id="structfabgl_1_1_rect_html"><div class="ttname"><a href="structfabgl_1_1_rect.html">fabgl::Rect</a></div><div class="ttdoc">Represents a rectangle. </div><div class="ttdef"><b>Definition:</b> <a href="fabutils_8h_source.html#l00225">fabutils.h:225</a></div></div>
<div class="ttc" id="displaycontroller_8h_aa6aba27bc1a89db9e350b50bbf881f57_html_aa6aba27bc1a89db9e350b50bbf881f57"><div class="ttname"><a href="displaycontroller_8h_aa6aba27bc1a89db9e350b50bbf881f57.html#aa6aba27bc1a89db9e350b50bbf881f57">X</a></div><div class="ttdeci">int16_t X</div><div class="ttdef"><b>Definition:</b> <a href="displaycontroller_8h_source.html#l00320">displaycontroller.h:320</a></div></div>
<div class="ttc" id="displaycontroller_8h_adcf201a8aabf55cb352ec05331242594_html_adcf201a8aabf55cb352ec05331242594"><div class="ttname"><a href="displaycontroller_8h_adcf201a8aabf55cb352ec05331242594.html#adcf201a8aabf55cb352ec05331242594">height</a></div><div class="ttdeci">uint8_t height</div><div class="ttdef"><b>Definition:</b> <a href="displaycontroller_8h_source.html#l00323">displaycontroller.h:323</a></div></div>
<div class="ttc" id="displaycontroller_8h_a09a2a45f731b02946ff6d3cd15c1a476_html_a09a2a45f731b02946ff6d3cd15c1a476"><div class="ttname"><a href="displaycontroller_8h_a09a2a45f731b02946ff6d3cd15c1a476.html#a09a2a45f731b02946ff6d3cd15c1a476">width</a></div><div class="ttdeci">uint8_t width</div><div class="ttdef"><b>Definition:</b> <a href="displaycontroller_8h_source.html#l00322">displaycontroller.h:322</a></div></div>
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